Incubating ideas to drive innovation
Leighton Asia’s HKZMB Passenger Clearance Building (PCB) project team has won the prestigious Lighthouse Club International Design for Safety Award for their excellence in mitigating significant health and safety risks through an innovative roof erection method for the project.
The team modularised the roof structure of the PCB into modules of up to 60 x 25m in size and weighing up to 690 tonnes. The modules were then prefabricated and assembled off site before being transported and erected at site by using strand jacking and launching methods.
The project involved the construction of an architectural steel roof for a 40,000 square metres, 30 metres high building.
The limitations for the team included a tight construction programme and height restrictions due to its proximity to the Hong Kong International Airport.
Key initiatives to eliminate and mitigate health and safety risks:
Lifting operations/work at height
Simplify on-site processes involved with assembly, erection and on-site connections
85% of the cladding, features and services were installed off-site in controlled factory conditions
Integrated safe accesses for retractable transport frames and recyclable lift and launch structures
Simplify the process and shortened the programme by adopting vertical jacking and horizontal launching method
Preparation of a prescriptive monitoring regime, and design of a load test and functional test procedure Preparation of a detailed operation manual withhold points, including Engineering sign-off.